Australia – A company that supplies mechanical seals as well as engineered sealing solutions has found that a Vesconite throttle bush can extend the life of seals.
A typical single-stage pump includes a throttle bushing that is located below the sealing mechanism and supports the shaft as well as being a close clearance bush and creating a stuffing box cavity with increased pressure differential reducing flush water requirements.
āWe recommend Vesconite throttle bushings, and have found that pumps perform as expected and that seal life is extended with reduction in flush water requirement,ā a company representative says, noting that client companies use the bushings as part of a good proven pump repair package.
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